(?W ? L) • (N ? ?R) $\frac { \mathrm { N } \vee \sim \mathrm { W } } { \mathrm { L } \vee \sim \mathrm { R } }$

Multiple Choice

(?W ? L) • (N ? ?R) $\frac { \mathrm { N } \vee \sim \mathrm { W } } { \mathrm { L } \vee \sim \mathrm { R } }$

A) Invalid.
B) Pure hypothetical syllogism.
C) Destructive dilemma.
D) Denying the antecedent.
E) Constructive dilemma.